Across
- 4. plane, consists of a sloping surface
- 5. an object that tapers to a thin edge
- 6. a usually circular cylindrical member with a continuous helical rib
Down
- 1. and axle, made up of a circular frame that revolves on a shaft or rod
- 2. a wheel that carries a flexible rope, cord, cable, chain, or belt on its rim
- 3. a bar or board that rests on a support called a fulcrum